Definition: In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.
Input: ['t', '163', 'i', 'l', '225', 'v', '481', '377', 'l', '393']

1, 2, 3, 4, 5, 6, 7, 8, 9